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Accounts Payable And Accrued Expenses (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Payables And Accruals [Abstract]    
Payables, trade and other $ 101.6 $ 108.6
Employment costs 23.4 33.7
Current portion of pension and postretirement liabilities 13.0 12.7
Contingent liability related to discontinued operations   11.9
Other 25.9 30.2
Total accounts payable and accrued expenses $ 163.9 $ 197.1